As a consequence, DEPT (90 + 45) can be very useful for spectral editing in one dimensional NMR spectroscopy.
因此，DEPT(90 +45)将是一个非常有用的谱编辑技术。
Through high-resolution mass spectrometry and two-dimensional NMR spectroscopy, the invention determines the chemical structure of the compound.
采用高分辨质谱和二维核磁共振谱等光谱技术，确定了该化合物的化学结构。
Through high-resolution mass spectrometry and two-dimensional NMR spectroscopy, the invention determines the chemical structure of the compound.
采用高分辨质谱和二维核磁共振谱等光谱技术，确定了该化合物的化学结构。
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